CN215487561U - Oil leakage prevention structure for shaft sleeve of gearbox - Google Patents
Oil leakage prevention structure for shaft sleeve of gearbox Download PDFInfo
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- CN215487561U CN215487561U CN202121421177.0U CN202121421177U CN215487561U CN 215487561 U CN215487561 U CN 215487561U CN 202121421177 U CN202121421177 U CN 202121421177U CN 215487561 U CN215487561 U CN 215487561U
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- gearbox
- output shaft
- oil
- shaft sleeve
- oil duct
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Abstract
The utility model discloses an oil leakage prevention structure of a gearbox shaft sleeve, which comprises: the two sides of the rotating shaft are vertically and fixedly connected with driving wheels, and the rotating shaft rotates to drive the driving wheels to rotate; one end of the rotating shaft is connected with an oil duct, and the oil duct provides raw material support for driving the gearbox; and the outside of the oil duct is sleeved with the lining. This gearbox axle sleeve leak protection oil structure because the structure of bush is flange structure, cup joints when the oil duct is outside, and the part that its bottom is outstanding closely pastes with the hole retaining ring and is in the same place to make the mating reaction between bush and the output shaft cover reduce, prevent that the bush from deviating from, and then reduced the oil leak risk of gearbox.
Description
Technical Field
The utility model relates to the technical field of gearboxes, in particular to an oil leakage prevention structure of a gearbox shaft sleeve.
Background
The device for changing the rotating speed ratio and the moving direction on the dump truck is a gearbox, and the gearbox can also be used in other mechanical fields, such as automobiles, tractors, ships, machine tools and various machines, and is used for changing the torque, the rotating speed and the moving direction transmitted from a driving shaft to a driven shaft according to different working conditions.
This prior art solution also presents the following problems when in use:
1. the situation that the oil seal leaks due to the fact that the bushing is separated can occur in the original output shaft sleeve structure of the gearbox of the dump truck;
2. the output shaft sleeve is inconvenient to mount on the output shaft during mounting due to the limited elasticity of the output shaft sleeve;
improvements are needed to address the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an oil leakage prevention structure of a shaft sleeve of a gearbox, which aims to solve the problem that an oil seal leaks oil due to the fact that a bushing is separated occasionally in the original output shaft sleeve structure of the gearbox of the dump truck in the background art; and the output shaft sleeve is inconvenient to be arranged on the output shaft when being arranged due to the limited elasticity of the output shaft sleeve.
In order to achieve the purpose, the utility model provides the following technical scheme: an oil leakage prevention structure of a gearbox shaft sleeve comprises:
the two sides of the rotating shaft are vertically and fixedly connected with driving wheels, and the rotating shaft rotates to drive the driving wheels to rotate;
one end of the rotating shaft is connected with an oil duct, and the oil duct provides raw material support for driving the gearbox;
and the outside of the oil duct is sleeved with the lining.
Preferably, the inner size of the bushing is matched with the outer size of the oil duct, the bushing is of a flanging structure, and a hole check ring is connected to a gap between the bushing and the rotating shaft, so that a gap between the rotating shaft and the oil duct is reduced, the bushing is prevented from being separated, the matching effect between the bushing and the output shaft sleeve is reduced, and the oil leakage risk of the gearbox is reduced.
Preferably, the end of the oil duct far away from the rotating shaft is connected with an output shaft, an output shaft sleeve is sleeved outside the output shaft, the internal size of the output shaft sleeve is matched with the external size of the output shaft, and the output shaft sleeve plays a certain protection role on the outer wall of the output shaft.
Preferably, a groove with a rectangular hollow structure is formed in the output shaft sleeve, an expansion block is arranged in the groove of the output shaft sleeve, and a rotating block is movably connected to the inside of the expansion block.
Preferably, a connecting rod is vertically and fixedly connected to one side of the rotating block, the connecting rod is movably linked with the output shaft sleeve, the expansion block and the connecting rod form a linkage structure through the rotating block, the connecting rod is pulled outwards, the expansion block moves under the linkage action of the connecting rod, the output shaft sleeve is expanded outwards under the linkage action of the expansion block, and therefore the output shaft sleeve is convenient to install outside the output shaft.
Compared with the prior art, the utility model has the beneficial effects that: by using the flanging structure of the bushing and the retainer ring for the hole, the matching requirement of the bushing and the output shaft sleeve is reduced, and the oil leakage risk of the gearbox is reduced; then, the inner size of the output shaft sleeve is expanded to a certain degree by utilizing the linkage structure formed by the expansion block and the connecting rod, so that the output shaft sleeve is convenient to install outside the output shaft.
1. This gearbox axle sleeve leak protection oil structure because the structure of bush is flange structure, cup joints when the oil duct is outside, and the part that its bottom is outstanding closely pastes with the hole retaining ring and is in the same place to make the mating reaction between bush and the output shaft cover reduce, prevent that the bush from deviating from, and then reduced the oil leak risk of gearbox.
2. This gearbox axle sleeve leak protection oil structure, the operator before installing the output axle sleeve, rotates the connecting rod, drives the turning block and rotates at the inside of expansion block, stimulates the connecting rod to the outside simultaneously, and the expansion block moves under the interlock of connecting rod, makes the output shaft cover outwards expand under the interlock of expansion block to be convenient for install the output axle sleeve outside the output shaft.
Drawings
FIG. 1 is a schematic side cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the present invention A;
fig. 3 is a schematic structural view of a cross-sectional part of the output shaft sleeve of the present invention.
In the figure: 1. a rotating shaft; 2. a drive wheel; 3. an oil passage; 4. a bushing; 5. a retainer ring for a bore; 6. an output shaft; 7. an output shaft sleeve; 8. an expansion block; 9. rotating the block; 10. a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an oil leakage prevention structure of a gearbox shaft sleeve comprises:
the device comprises a rotating shaft 1, wherein driving wheels 2 are vertically and fixedly connected to two sides of the rotating shaft 1, and the rotating shaft 1 rotates to drive the driving wheels 2 to rotate; one end of the rotating shaft 1 is connected with an oil duct 3, and the oil duct 3 provides raw material support for driving the gearbox; the bush 4 is sleeved outside the oil duct 3; 4 inside dimensions of bush and 3 outside dimensions phase-matches of oil duct, and bush 4 is flange structure to bush 4 is connected with hole retainer ring 5 with the clearance department of axis of rotation 1, makes the space diminish between axis of rotation 1 and the oil duct 3, prevents that bush 4 from deviating from, makes the mating reaction between bush 4 and the output shaft sleeve 7 reduce, and then has reduced the oil leak risk of gearbox.
One end, far away from the rotating shaft 1, of the oil duct 3 is connected with an output shaft 6, an output shaft sleeve 7 is sleeved outside the output shaft 6, the inner size of the output shaft sleeve 7 is matched with the outer size of the output shaft 6, and the output shaft sleeve 7 plays a certain protection role on the outer wall of the output shaft 6; a groove with a rectangular hollow structure is formed in the output shaft sleeve 7, an expansion block 8 is arranged in the groove of the output shaft sleeve 7, and a rotating block 9 is movably connected in the expansion block 8; a connecting rod 10 is vertically and fixedly connected to one side of the rotating block 9, the connecting rod 10 is movably linked with the output shaft sleeve 7, the expanding block 8 and the connecting rod 10 form a linkage structure through the rotating block 9, the connecting rod 10 is pulled outwards, the expanding block 8 moves under the linkage action of the connecting rod 10, the output shaft sleeve 7 is expanded outwards under the linkage action of the expanding block 8, and therefore the output shaft sleeve 7 is conveniently installed outside the output shaft 6.
In summary, the following steps: in the oil leakage prevention structure of the shaft sleeve of the gearbox, firstly, the flange structure of the bush 4 and the retainer ring 5 for the hole are used, so that the matching requirement of the bush 4 and the output shaft sleeve 7 is reduced, and the oil leakage risk of the gearbox is reduced; then, the inner dimension of the output shaft sleeve 7 is expanded to a certain extent by utilizing the linkage structure formed by the expansion block 8 and the connecting rod 10, so that the output shaft sleeve 7 is conveniently installed outside the output shaft 6, which is the characteristic of the oil leakage prevention structure of the gearbox shaft sleeve, and the content which is not described in detail in the description belongs to the prior art which is well known by the technicians in the field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a gearbox axle sleeve leak protection oil structure which characterized in that includes:
the device comprises a rotating shaft (1), wherein driving wheels (2) are vertically and fixedly connected to two sides of the rotating shaft (1), and the rotating shaft (1) rotates to drive the driving wheels (2) to rotate;
one end of the rotating shaft (1) is connected with the oil duct (3), and the oil duct (3) provides raw material support for driving the gearbox;
the bushing (4) is sleeved outside the oil duct (3).
2. The gearbox shaft sleeve oil leakage prevention structure as claimed in claim 1, wherein: the inner size of the bushing (4) is matched with the outer size of the oil duct (3), the bushing (4) is of a flanging structure, and a hole check ring (5) is connected to the gap between the bushing (4) and the rotating shaft (1), so that the gap between the rotating shaft (1) and the oil duct (3) is reduced.
3. The gearbox shaft sleeve oil leakage prevention structure as claimed in claim 1, wherein: one end, far away from axis of rotation (1), of oil duct (3) is connected with output shaft (6), and output shaft (6) outside has cup jointed output axle sleeve (7) to output axle sleeve (7) internal dimension and output shaft (6) external dimension phase-match, output axle sleeve (7) play certain guard action to output shaft (6) outer wall.
4. The gearbox shaft sleeve oil leakage prevention structure as claimed in claim 3, wherein: the output shaft sleeve (7) is internally provided with a groove with a rectangular hollow structure, an expansion block (8) is arranged inside the groove of the output shaft sleeve (7), and the expansion block (8) is movably connected with a rotating block (9).
5. The gearbox shaft sleeve oil leakage prevention structure as claimed in claim 4, wherein: one side of the rotating block (9) is vertically and fixedly connected with a connecting rod (10), the connecting rod (10) is movably linked with the output shaft sleeve (7), and the expansion block (8) and the connecting rod (10) form a linkage structure through the rotating block (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121421177.0U CN215487561U (en) | 2021-06-25 | 2021-06-25 | Oil leakage prevention structure for shaft sleeve of gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121421177.0U CN215487561U (en) | 2021-06-25 | 2021-06-25 | Oil leakage prevention structure for shaft sleeve of gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487561U true CN215487561U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121421177.0U Active CN215487561U (en) | 2021-06-25 | 2021-06-25 | Oil leakage prevention structure for shaft sleeve of gearbox |
Country Status (1)
| Country | Link |
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| CN (1) | CN215487561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116922675A (en) * | 2023-07-20 | 2023-10-24 | 瑞安市中铃科技有限公司 | Quick detachable gearbox oil pan and manufacturing equipment of moulding plastics thereof |
-
2021
- 2021-06-25 CN CN202121421177.0U patent/CN215487561U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116922675A (en) * | 2023-07-20 | 2023-10-24 | 瑞安市中铃科技有限公司 | Quick detachable gearbox oil pan and manufacturing equipment of moulding plastics thereof |
| CN116922675B (en) * | 2023-07-20 | 2024-03-26 | 瑞安市中铃科技有限公司 | Quick detachable gearbox oil pan and manufacturing equipment of moulding plastics thereof |
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